Arrow Symbol Collection (page 5)

Illustration of river meander, deposition occurring where water flows with least energy, and erosion

Illustration of river deposition, course of river changing as a result of erosion

Illustration of carbon cycle and nitrogen cycle

Illustration charting the development of wheeled transport, from dragging, to rolling on logs, and u

Life cycle of a flowering plant

Illustration of magnetic field around a wire

Illustration of a warm front pushing to the east, followed closely behind by a cold front, also show

Illustration of magnetic fields forming around the loops of a wire

Blaise Pascals experiment with atmospheric pressure, using a thick-walled glass tube, measuring dif

Illustration of bicycle V-brake, brake pads being squeezed against the rim increasing friction

Illustration of thrust faulting, causing blocks of crust to stack up above one another

Illustration of stellar cycle, material discarded by mature star becoming part of cloud that in turn

Illustration of planet orbiting sun, moving faster when nearer the sun

Illustration of crop rotation cycle

Illustration of collapsed section of the Earths crust forming rift valley

Illustration of folds forming in the Earths crust

Illustration of unmagnetized steel bar, and magnetized steel bar with bar magnet being stroked acros

Illustration of time dilation experiment, clock keeping time by detecting reflected light pulses on

Illustration of lever with fulcrum at one end, effort at the other, and load in the middle

Illustration of pulley system with three wheels

Illustration of pulley system with one wheel

Illustration of submarine sinking and rising through the use of compressed air

Illustration of lever with effort exerted in the centre, fulcrum at one end and load at the other

Illustration of lever with fulcrum between the effort and load

Illustration of vacuum experiments, flame being extinguished in a vacuum, sound being muted in a vac

Illustration of buoyant raft, sinking raft, and buoyant ship

Illustration of differential gearing on a car wheel

Illustration showing sailing boat tracking wind direction

Measuring a window

Illustration showing how satellite in space communicates with radar, commercial aircraft, ships, and

Digital illustration of human brain and information from left side of visual cortex receiving information from right visual field

Cross section illustration of extracting aluminium from bauxite using Bayer process and electrolysis

Digital illustration of human brain and mapping of visual field onto retina matching arrangement of data on surface of visual cortex

Digital illustration of same side processing of smell from nostril to human brain

Digital illustration of head in profile showing dorsal and ventral pathways of brain

Digital illustration of human brain with sound entering via brain stem and thalamus to auditory cortex

Digital cross section illustration of impulses passing from nearer cochlea nucleus to lateral superior olive

Digital illustration of Hypocretin System in human brain with Hypothalamus highlighted in blue, Locus Coeruleus and Raphne nuclei in green

Digital illustration of of human nervous system

Digital cross section illustration of localization of source of sound in human brain

Digital illustration of nerve signal moving along membrane as wave of depolarization and repolarization

Digital cross section illustration of hypothalamus triggering chain reaction of reduced hormone production resulting in falling glucose levels

Digital illustration of head in profile showing motor cortex (pink), frontal area and amygdala (green), auditory cortex (orange), and visual cortex in brain

Digital illustration of reward pathway in human brain

Digital illustration of human brain associated with full awareness

Digital illustration of areas of information highlighted in human brain

Digital illustration of unconscious and conscious pathways in human brain passing through thalamus ending in parietal lobe of cortex

Digital illustration of direction of dopamine flow, nucleus accumbens, basal ganglia and ventral tegmental area highlighted in human brain

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